these 2 derivations will be built:
  /nix/store/63vfai2vjm3sj4mq23h1wd7nya9y21b1-iets-fuzzers-0.0.0.drv
  /nix/store/bwi9jwcwchx47iyagcnbinsxd3yik92l-iets-fuzz-drv-check.drv